Google Chrome 65.0.3324.0 (Official Build) canary (64-bit) (cohort: Clang-64)
Windows 10 Enterprise Version 1607 Build 14393.2007
NVDA 2017.4
JAWS 2018.1801.18 Private Beta 
Firefox ESR 52.5.3 (64-bit)
Internet Explorer 11.2007.14393.0

Steps to reproduce:
# Launch Firefox 
# Launch new Google Doc in non-corp account
# Enable Accessibility tab using ctrl + alt + z 
# Open the file menu and then activate the make a copy menu item
There is no "change folder" button on this dialog in Firefox. 

# Close Firefox, launch Chrome  
# Open the "Change folder" dialog 
# Navigate up and down the folder options using keyboard
Actual: nothing is spoken when navigating
# Close dialog, open it up again 
Actual: all folders, contents, etc. are spoken

# Close Chrome, open Internet Explorer
There is no "change folder" button on this dialog in IE. 

# Close NVDA, try JAWS + Chrome
Individual folders on the first screen are reachable by the keyboard and read such as My Drive, but subsequent sub folders are not read. They are not in the tab order and can't be reached with the arrow keys.